1 files changed, 9 insertions, 1 deletions

diff --git a/crypto/async_tx/raid6test.c b/crypto/async_tx/raid6test.c
index 4a92bac744dc..dad95f45b88f 100644
--- a/crypto/async_tx/raid6test.c
+++ b/crypto/async_tx/raid6test.c
@@ -28,7 +28,7 @@
 #undef pr
 #define pr(fmt, args...) pr_info("raid6test: " fmt, ##args)
 
-#define NDISKS 16 /* Including P and Q */
+#define NDISKS 64 /* Including P and Q */
 
 static struct page *dataptrs[NDISKS];
 static addr_conv_t addr_conv[NDISKS];
@@ -219,6 +219,14 @@ static int raid6_test(void)
                 err += test(11, &tests);
                 err += test(12, &tests);
         }
+
+        /* the 24 disk case is special for ioatdma as it is the boudary point
+         * at which it needs to switch from 8-source ops to 16-source
+         * ops for continuation (assumes DMA_HAS_PQ_CONTINUE is not set)
+         */
+        if (NDISKS > 24)
+                err += test(24, &tests);
+
         err += test(NDISKS, &tests);
 
         pr("\n");